crypto/asn1/x_crl.c

   1 /* crypto/asn1/x_crl.c */
   2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
   3  * All rights reserved.
   4  *
   5  * This package is an SSL implementation written
   6  * by Eric Young (eay@cryptsoft.com).
   7  * The implementation was written so as to conform with Netscapes SSL.
   8  *
   9  * This library is free for commercial and non-commercial use as long as
  10  * the following conditions are aheared to.  The following conditions
  11  * apply to all code found in this distribution, be it the RC4, RSA,
  12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  13  * included with this distribution is covered by the same copyright terms
  14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  15  *
  16  * Copyright remains Eric Young's, and as such any Copyright notices in
  17  * the code are not to be removed.
  18  * If this package is used in a product, Eric Young should be given attribution
  19  * as the author of the parts of the library used.
  20  * This can be in the form of a textual message at program startup or
  21  * in documentation (online or textual) provided with the package.
  22  *
  23  * Redistribution and use in source and binary forms, with or without
  24  * modification, are permitted provided that the following conditions
  25  * are met:
  26  * 1. Redistributions of source code must retain the copyright
  27  *    notice, this list of conditions and the following disclaimer.
  28  * 2. Redistributions in binary form must reproduce the above copyright
  29  *    notice, this list of conditions and the following disclaimer in the
  30  *    documentation and/or other materials provided with the distribution.
  31  * 3. All advertising materials mentioning features or use of this software
  32  *    must display the following acknowledgement:
  33  *    "This product includes cryptographic software written by
  34  *     Eric Young (eay@cryptsoft.com)"
  35  *    The word 'cryptographic' can be left out if the rouines from the library
  36  *    being used are not cryptographic related :-).
  37  * 4. If you include any Windows specific code (or a derivative thereof) from
  38  *    the apps directory (application code) you must include an acknowledgement:
  39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  40  *
  41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  51  * SUCH DAMAGE.
  52  *
  53  * The licence and distribution terms for any publically available version or
  54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  55  * copied and put under another distribution licence
  56  * [including the GNU Public Licence.]
  57  */
  58
  59 #include <stdio.h>
  60 #include "cryptlib.h"
  61 #include "asn1_mac.h"
  62 #include "x509.h"
  63
  64 /*
  65  * ASN1err(ASN1_F_D2I_X509_CRL,ERR_R_ASN1_LENGTH_MISMATCH);
  66  * ASN1err(ASN1_F_D2I_X509_CRL_INFO,ERR_R_EXPECTING_AN_ASN1_SEQUENCE);
  67  * ASN1err(ASN1_F_D2I_X509_REVOKED,ERR_R_ASN1_LENGTH_MISMATCH);
  68  * ASN1err(ASN1_F_X509_CRL_NEW,ERR_R_ASN1_LENGTH_MISMATCH);
  69  * ASN1err(ASN1_F_X509_CRL_INFO_NEW,ERR_R_EXPECTING_AN_ASN1_SEQUENCE);
  70  * ASN1err(ASN1_F_X509_REVOKED_NEW,ERR_R_ASN1_LENGTH_MISMATCH);
  71  */
  72
  73 #ifndef NOPROTO
  74 static int X509_REVOKED_cmp(X509_REVOKED **a,X509_REVOKED **b);
  75 static int X509_REVOKED_seq_cmp(X509_REVOKED **a,X509_REVOKED **b);
  76 #else
  77 static int X509_REVOKED_cmp();
  78 static int X509_REVOKED_seq_cmp();
  79 #endif
  80
  81 int i2d_X509_REVOKED(a,pp)
  82 X509_REVOKED *a;
  83 unsigned char **pp;
  84         {
  85         M_ASN1_I2D_vars(a);
  86
  87         M_ASN1_I2D_len(a->serialNumber,i2d_ASN1_INTEGER);
  88         M_ASN1_I2D_len(a->revocationDate,i2d_ASN1_TIME);
  89         M_ASN1_I2D_len_SEQUENCE_opt(a->extensions,i2d_X509_EXTENSION);
  90
  91         M_ASN1_I2D_seq_total();
  92
  93         M_ASN1_I2D_put(a->serialNumber,i2d_ASN1_INTEGER);
  94         M_ASN1_I2D_put(a->revocationDate,i2d_ASN1_TIME);
  95         M_ASN1_I2D_put_SEQUENCE_opt(a->extensions,i2d_X509_EXTENSION);
  96
  97         M_ASN1_I2D_finish();
  98         }
  99
 100 X509_REVOKED *d2i_X509_REVOKED(a,pp,length)
 101 X509_REVOKED **a;
 102 unsigned char **pp;
 103 long length;
 104         {
 105         M_ASN1_D2I_vars(a,X509_REVOKED *,X509_REVOKED_new);
 106
 107         M_ASN1_D2I_Init();
 108         M_ASN1_D2I_start_sequence();
 109         M_ASN1_D2I_get(ret->serialNumber,d2i_ASN1_INTEGER);
 110         M_ASN1_D2I_get(ret->revocationDate,d2i_ASN1_TIME);
 111         M_ASN1_D2I_get_seq_opt(ret->extensions,d2i_X509_EXTENSION,
 112                 X509_EXTENSION_free);
 113         M_ASN1_D2I_Finish(a,X509_REVOKED_free,ASN1_F_D2I_X509_REVOKED);
 114         }
 115
 116 int i2d_X509_CRL_INFO(a,pp)
 117 X509_CRL_INFO *a;
 118 unsigned char **pp;
 119         {
 120         int v1=0;
 121         long l=0;
 122         M_ASN1_I2D_vars(a);
 123
 124         if (sk_num(a->revoked) != 0)
 125                 qsort((char *)a->revoked->data,sk_num(a->revoked),
 126                         sizeof(X509_REVOKED *),(int (*)(P_CC_CC))X509_REVOKED_seq_cmp);
 127         if ((a->version != NULL) && ((l=ASN1_INTEGER_get(a->version)) != 0))
 128                 {
 129                 M_ASN1_I2D_len(a->version,i2d_ASN1_INTEGER);
 130                 }
 131         M_ASN1_I2D_len(a->sig_alg,i2d_X509_ALGOR);
 132         M_ASN1_I2D_len(a->issuer,i2d_X509_NAME);
 133         M_ASN1_I2D_len(a->lastUpdate,i2d_ASN1_TIME);
 134         if (a->nextUpdate != NULL)
 135                 { M_ASN1_I2D_len(a->nextUpdate,i2d_ASN1_TIME); }
 136         M_ASN1_I2D_len_SEQUENCE_opt(a->revoked,i2d_X509_REVOKED);
 137         M_ASN1_I2D_len_EXP_SEQUENCE_opt(a->extensions,i2d_X509_EXTENSION,0,
 138                 V_ASN1_SEQUENCE,v1);
 139
 140         M_ASN1_I2D_seq_total();
 141
 142         if ((a->version != NULL) && (l != 0))
 143                 {
 144                 M_ASN1_I2D_put(a->version,i2d_ASN1_INTEGER);
 145                 }
 146         M_ASN1_I2D_put(a->sig_alg,i2d_X509_ALGOR);
 147         M_ASN1_I2D_put(a->issuer,i2d_X509_NAME);
 148         M_ASN1_I2D_put(a->lastUpdate,i2d_ASN1_UTCTIME);
 149         if (a->nextUpdate != NULL)
 150                 { M_ASN1_I2D_put(a->nextUpdate,i2d_ASN1_UTCTIME); }
 151         M_ASN1_I2D_put_SEQUENCE_opt(a->revoked,i2d_X509_REVOKED);
 152         M_ASN1_I2D_put_EXP_SEQUENCE_opt(a->extensions,i2d_X509_EXTENSION,0,
 153                 V_ASN1_SEQUENCE,v1);
 154
 155         M_ASN1_I2D_finish();
 156         }
 157
 158 X509_CRL_INFO *d2i_X509_CRL_INFO(a,pp,length)
 159 X509_CRL_INFO **a;
 160 unsigned char **pp;
 161 long length;
 162         {
 163         int i,ver=0;
 164         M_ASN1_D2I_vars(a,X509_CRL_INFO *,X509_CRL_INFO_new);
 165
 166
 167         M_ASN1_D2I_Init();
 168         M_ASN1_D2I_start_sequence();
 169         M_ASN1_D2I_get_opt(ret->version,d2i_ASN1_INTEGER,V_ASN1_INTEGER);
 170         if (ret->version != NULL)
 171                 ver=ret->version->data[0];
 172
 173         if ((ver == 0) && (ret->version != NULL))
 174                 {
 175                 ASN1_INTEGER_free(ret->version);
 176                 ret->version=NULL;
 177                 }
 178         M_ASN1_D2I_get(ret->sig_alg,d2i_X509_ALGOR);
 179         M_ASN1_D2I_get(ret->issuer,d2i_X509_NAME);
 180         M_ASN1_D2I_get(ret->lastUpdate,d2i_ASN1_TIME);
 181         /* Manually handle the OPTIONAL ASN1_TIME stuff */
 182         if(c.slen != 0
 183            && ( (M_ASN1_next & ~V_ASN1_CONSTRUCTED) ==
 184                     (V_ASN1_UNIVERSAL|V_ASN1_UTCTIME)
 185                 || (M_ASN1_next & ~V_ASN1_CONSTRUCTED) ==
 186                     (V_ASN1_UNIVERSAL|V_ASN1_GENERALIZEDTIME) ) ) {
 187                 M_ASN1_D2I_get(ret->nextUpdate,d2i_ASN1_TIME);
 188         }
 189         if(!ret->nextUpdate)
 190                 M_ASN1_D2I_get_opt(ret->nextUpdate,d2i_ASN1_GENERALIZEDTIME,
 191                                                         V_ASN1_GENERALIZEDTIME);
 192         if (ret->revoked != NULL)
 193                 {
 194                 while (sk_num(ret->revoked))
 195                         X509_REVOKED_free((X509_REVOKED *)sk_pop(ret->revoked));
 196                 }
 197         M_ASN1_D2I_get_seq_opt(ret->revoked,d2i_X509_REVOKED,X509_REVOKED_free);
 198
 199         if (ret->revoked != NULL)
 200                 {
 201                 for (i=0; i<sk_num(ret->revoked); i++)
 202                         {
 203                         ((X509_REVOKED *)sk_value(ret->revoked,i))->sequence=i;
 204                         }
 205                 }
 206
 207         if (ver >= 1)
 208                 {
 209                 if (ret->extensions != NULL)
 210                         {
 211                         while (sk_num(ret->extensions))
 212                                 X509_EXTENSION_free((X509_EXTENSION *)
 213                                 sk_pop(ret->extensions));
 214                         }
 215
 216                 M_ASN1_D2I_get_EXP_set_opt(ret->extensions,d2i_X509_EXTENSION,
 217                         X509_EXTENSION_free,0,V_ASN1_SEQUENCE);
 218                 }
 219
 220         M_ASN1_D2I_Finish(a,X509_CRL_INFO_free,ASN1_F_D2I_X509_CRL_INFO);
 221         }
 222
 223 int i2d_X509_CRL(a,pp)
 224 X509_CRL *a;
 225 unsigned char **pp;
 226         {
 227         M_ASN1_I2D_vars(a);
 228
 229         M_ASN1_I2D_len(a->crl,i2d_X509_CRL_INFO);
 230         M_ASN1_I2D_len(a->sig_alg,i2d_X509_ALGOR);
 231         M_ASN1_I2D_len(a->signature,i2d_ASN1_BIT_STRING);
 232
 233         M_ASN1_I2D_seq_total();
 234
 235         M_ASN1_I2D_put(a->crl,i2d_X509_CRL_INFO);
 236         M_ASN1_I2D_put(a->sig_alg,i2d_X509_ALGOR);
 237         M_ASN1_I2D_put(a->signature,i2d_ASN1_BIT_STRING);
 238
 239         M_ASN1_I2D_finish();
 240         }
 241
 242 X509_CRL *d2i_X509_CRL(a,pp,length)
 243 X509_CRL **a;
 244 unsigned char **pp;
 245 long length;
 246         {
 247         M_ASN1_D2I_vars(a,X509_CRL *,X509_CRL_new);
 248
 249         M_ASN1_D2I_Init();
 250         M_ASN1_D2I_start_sequence();
 251         M_ASN1_D2I_get(ret->crl,d2i_X509_CRL_INFO);
 252         M_ASN1_D2I_get(ret->sig_alg,d2i_X509_ALGOR);
 253         M_ASN1_D2I_get(ret->signature,d2i_ASN1_BIT_STRING);
 254
 255         M_ASN1_D2I_Finish(a,X509_CRL_free,ASN1_F_D2I_X509_CRL);
 256         }
 257
 258
 259 X509_REVOKED *X509_REVOKED_new()
 260         {
 261         X509_REVOKED *ret=NULL;
 262         ASN1_CTX c;
 263
 264         M_ASN1_New_Malloc(ret,X509_REVOKED);
 265         M_ASN1_New(ret->serialNumber,ASN1_INTEGER_new);
 266         M_ASN1_New(ret->revocationDate,ASN1_UTCTIME_new);
 267         ret->extensions=NULL;
 268         return(ret);
 269         M_ASN1_New_Error(ASN1_F_X509_REVOKED_NEW);
 270         }
 271
 272 X509_CRL_INFO *X509_CRL_INFO_new()
 273         {
 274         X509_CRL_INFO *ret=NULL;
 275         ASN1_CTX c;
 276
 277         M_ASN1_New_Malloc(ret,X509_CRL_INFO);
 278         ret->version=NULL;
 279         M_ASN1_New(ret->sig_alg,X509_ALGOR_new);
 280         M_ASN1_New(ret->issuer,X509_NAME_new);
 281         M_ASN1_New(ret->lastUpdate,ASN1_UTCTIME_new);
 282         ret->nextUpdate=NULL;
 283         M_ASN1_New(ret->revoked,sk_new_null);
 284         M_ASN1_New(ret->extensions,sk_new_null);
 285         ret->revoked->comp=(int (*)())X509_REVOKED_cmp;
 286         return(ret);
 287         M_ASN1_New_Error(ASN1_F_X509_CRL_INFO_NEW);
 288         }
 289
 290 X509_CRL *X509_CRL_new()
 291         {
 292         X509_CRL *ret=NULL;
 293         ASN1_CTX c;
 294
 295         M_ASN1_New_Malloc(ret,X509_CRL);
 296         ret->references=1;
 297         M_ASN1_New(ret->crl,X509_CRL_INFO_new);
 298         M_ASN1_New(ret->sig_alg,X509_ALGOR_new);
 299         M_ASN1_New(ret->signature,ASN1_BIT_STRING_new);
 300         return(ret);
 301         M_ASN1_New_Error(ASN1_F_X509_CRL_NEW);
 302         }
 303
 304 void X509_REVOKED_free(a)
 305 X509_REVOKED *a;
 306         {
 307         if (a == NULL) return;
 308         ASN1_INTEGER_free(a->serialNumber);
 309         ASN1_UTCTIME_free(a->revocationDate);
 310         sk_pop_free(a->extensions,X509_EXTENSION_free);
 311         Free((char *)a);
 312         }
 313
 314 void X509_CRL_INFO_free(a)
 315 X509_CRL_INFO *a;
 316         {
 317         if (a == NULL) return;
 318         ASN1_INTEGER_free(a->version);
 319         X509_ALGOR_free(a->sig_alg);
 320         X509_NAME_free(a->issuer);
 321         ASN1_UTCTIME_free(a->lastUpdate);
 322         if (a->nextUpdate)
 323                 ASN1_UTCTIME_free(a->nextUpdate);
 324         sk_pop_free(a->revoked,X509_REVOKED_free);
 325         sk_pop_free(a->extensions,X509_EXTENSION_free);
 326         Free((char *)a);
 327         }
 328
 329 void X509_CRL_free(a)
 330 X509_CRL *a;
 331         {
 332         int i;
 333
 334         if (a == NULL) return;
 335
 336         i=CRYPTO_add(&a->references,-1,CRYPTO_LOCK_X509_CRL);
 337 #ifdef REF_PRINT
 338         REF_PRINT("X509_CRL",a);
 339 #endif
 340         if (i > 0) return;
 341 #ifdef REF_CHECK
 342         if (i < 0)
 343                 {
 344                 fprintf(stderr,"X509_CRL_free, bad reference count\n");
 345                 abort();
 346                 }
 347 #endif
 348
 349         X509_CRL_INFO_free(a->crl);
 350         X509_ALGOR_free(a->sig_alg);
 351         ASN1_BIT_STRING_free(a->signature);
 352         Free((char *)a);
 353         }
 354
 355 static int X509_REVOKED_cmp(a,b)
 356 X509_REVOKED **a,**b;
 357         {
 358         return(ASN1_STRING_cmp(
 359                 (ASN1_STRING *)(*a)->serialNumber,
 360                 (ASN1_STRING *)(*b)->serialNumber));
 361         }
 362
 363 static int X509_REVOKED_seq_cmp(a,b)
 364 X509_REVOKED **a,**b;
 365         {
 366         return((*a)->sequence-(*b)->sequence);
 367         }